PKI Tutorials - Herong's Tutorial Examples - Version 2.10, by Dr. Herong Yang
A Simple Email Message Example
This section provides a simple email message example without using the MIME (Multipurpose Internet Mail Extensions) protocol.
The most common use of S/MIME is secure emails. To understand how S/MIME can be used to secure emails, I want to show you how a simple email message looks like, when it is delivered over the Internet.
Here is an example email message copied from an article on about.com:
Received: by sphinx (mbox mlande) (with Cubic Circle's cucipop (v1... X-From_: firstname.lastname@example.org Wed Aug 20 19:40:22 2003 Return-Path: <email@example.com> Received: from psmtp.com (exprod5mx37.postini.com [22.214.171.124])... Message-Id: <200308210240.h7L2e5A0016623@sphinx.got.net> Received: from source ([126.96.36.199]) by exprod5mx37.postini.com ... From: "Bob Example" <firstname.lastname@example.org> To: "Alice Example" <email@example.com> Date: Wed, 20 Aug 2003 16:02:43 -0500 Subject: Test message Hello Alice. This is a test message with some header fields and 5 lines in the message body. Your friend, Bob
Notice that MIME (Multipurpose Internet Mail Extensions) protocol is not used in this simple email message.
Last update: 2011.
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